soften Antonyms

harden sharpen upset vitrify worry add to set argle-bargle fossilise demulsify trouble toughen solidifying solidify stiffening stiffen strengthen stress temper toughening turn up amp up drive someone up a wall make someone see red add to the problem argybargy be enraged be in a huff be in rage become tighter be furious be angry quick-freeze argie bargie argol-bargol have a cow drive someone up the wall get someone's back up get someone's dander up overstretch put someone's back up be in deep water season abound congeal congealment consolidate curdling deepen dehydrate